28414980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 95606784

約数和(自身を除く): 67191804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 113, 127, 132, 165, 180, 198, 220, 226, 254, 330, 339, 381, 396, 452, 495, 508, 565, 635, 660, 678, 762, 990, 1017, 1130, 1143, 1243, 1270, 1356, 1397, 1524, 1695, 1905, 1980, 2034, 2260, 2286, 2486, 2540, 2794, 3390, 3729, 3810, 4068, 4191, 4572, 4972, 5085, 5588, 5715, 6215, 6780, 6985, 7458, 7620, 8382, 10170, 11187, 11430, 12430, 12573, 13970, 14351, 14916, 16764, 18645, 20340, 20955, 22374, 22860, 24860, 25146, 27940, 28702, 37290, 41910, 43053, 44748, 50292, 55935, 57404, 62865, 71755, 74580, 83820, 86106, 111870, 125730, 129159, 143510, 157861, 172212, 215265, 223740, 251460, 258318, 287020, 315722, 430530, 473583, 516636, 631444, 645795, 789305, 861060, 947166, 1291590, 1420749, 1578610, 1894332, 2367915, 2583180, 2841498, 3157220, 4735830, 5682996, 7103745, 9471660, 14207490, 28414980]

約数ペア:

[(1, 28414980), (2, 14207490), (3, 9471660), (4, 7103745), (5, 5682996), (6, 4735830), (9, 3157220), (10, 2841498), (11, 2583180), (12, 2367915), (15, 1894332), (18, 1578610), (20, 1420749), (22, 1291590), (30, 947166), (33, 861060), (36, 789305), (44, 645795), (45, 631444), (55, 516636), (60, 473583), (66, 430530), (90, 315722), (99, 287020), (110, 258318), (113, 251460), (127, 223740), (132, 215265), (165, 172212), (180, 157861), (198, 143510), (220, 129159), (226, 125730), (254, 111870), (330, 86106), (339, 83820), (381, 74580), (396, 71755), (452, 62865), (495, 57404), (508, 55935), (565, 50292), (635, 44748), (660, 43053), (678, 41910), (762, 37290), (990, 28702), (1017, 27940), (1130, 25146), (1143, 24860), (1243, 22860), (1270, 22374), (1356, 20955), (1397, 20340), (1524, 18645), (1695, 16764), (1905, 14916), (1980, 14351), (2034, 13970), (2260, 12573), (2286, 12430), (2486, 11430), (2540, 11187), (2794, 10170), (3390, 8382), (3729, 7620), (3810, 7458), (4068, 6985), (4191, 6780), (4572, 6215), (4972, 5715), (5085, 5588)]